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2020:12 Assessment of the QT-COOL coolant channel module against the PBF RIA 1-2 experiment
SSM perspective Background The fuel rod analysis program SCANAIR has been developed by IRSN (Institut de Radioprotection et de Sûreté Nucléaire) for analysis of reactivity initiated accidents (RIA) in light water reactors. The Swedish Radiation Safety Authority (SSM) has access to SCANAIR in exchange for annual contributions for its further development. This ensures a possibility...
Content type: Publications -
2017:20 Assessment of inertia effects on transient clad-to-coolant heat transfer and coolant flow under reactivity initiated accidents
In this report, simple hydrodynamic models are used for studying the effects of coolant inertia on fuel-to-coolant heat transfer and coolant flow under reactivity initiated accidents in light water reactors. The objective is to assess if the inertia effects are important enough to warrant modification of QT-COOL, a coolant channel module for two-phase flow that has recently been implemented as...
Content type: Publications -
Licensing and notification for industrial activities involving ionising radiation
This page is intended for those planning to carry out industrial activities involving ionising radiation. It provides information on which activities require a licence or notification, and how to submit an application or notification.
Content type: Regular Pages -
Notification concerning NORM
This page is intended for those who handle naturally occurring radioactive material (NORM) as waste, by-product or raw material, including building materials subject to notification. It contains information about when you have a notification obligation and how to register your operation with us.
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Import and export of radioactive waste and spent fuel
If you are planning to import or export radioactive waste or spent fuel to or from Sweden, you may need authorisation from the Swedish Radiation Safety Authority in the form of a licence. Here, you can find information about licences for transboundary shipments of radioactive waste and spent fuel and how to apply for one.
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Convention on Nuclear Safety
Following the Chernobyl accident that took place in 1986, a number of countries, including Sweden, took the initiative to establish an international Convention on Nuclear Safety (CNS). The aim was to create an international forum for open dialogue on nuclear safety through a recurring review process.
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SSMFS English
About the regulations in English Some of the Swedish Radiation Safety Authority’s regulations (SSMFS) are available in English. The translations are unofficial versions of the Authority’s regulations. In the event of any discrepancy between the Swedish and English versions, the Swedish original will take precedence. The Authority's regulations in Swedish...
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Nuclear facilities in operation in Sweden
At the present time, there are three nuclear power plants in operation in Sweden. These are the plants of Forsmark, Oskarshamn and Ringhals.
Content type: Regular Pages -
Shipment of sealed sources between the member states of the European Community
Standard document to be used pursuant to Council Regulation (EEC) No 1493/93. You need Adobe Acrobat Reader in order to read and fill out PDF forms. SSM Svenska Standard document to be used pursuant to Council Regulation (EEC) No 1493/93. You need Adobe Acrobat Reader in order to read and fill out PDF forms.
Content type: Publications -
Health declaration – Work involving ionising radiation
You need Adobe Acrobat Reader in order to read and fill out PDF forms. SSM Svenska You need Adobe Acrobat Reader in order to read and fill out PDF forms.
Content type: Publications